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The plant was operating in MODE 1 at 100% … The plant was operating in MODE 1 at 100% power. At 0228 on 2/19/09, a power supply to cabinet SA036D, Channel 1 of the Engineered Safety Features Actuation System (ESFAS) failed. As a result of the failure, both trains of control room ventilation isolation signal (CRVIS), containment purge isolation signal (CPIS), and fuel building isolation signal (FBIS) inadvertently actuated. The cause of the failure of SA036D is under investigation. Technical Specification (TS) Action 3.3.2.Q was entered which requires the plant to be in MODE 3 in 6 hours and MODE 4 in 12 hours. Load reduction began at 0530. MODE 2 was entered at 0750. MODE 3 was entered at 0817.</br>All systems functioned properly.</br>The NRC Resident Inspector has been notified.</br>The licensee is replacing the entire power supply and will investigate the cause.wer supply and will investigate the cause. +
11:30:00, 19 February 2009 +
44,863 +
10:07:00, 19 February 2009 +
11:30:00, 19 February 2009 +
The plant was operating in MODE 1 at 100% … The plant was operating in MODE 1 at 100% power. At 0228 on 2/19/09, a power supply to cabinet SA036D, Channel 1 of the Engineered Safety Features Actuation System (ESFAS) failed. As a result of the failure, both trains of control room ventilation isolation signal (CRVIS), containment purge isolation signal (CPIS), and fuel building isolation signal (FBIS) inadvertently actuated. The cause of the failure of SA036D is under investigation. Technical Specification (TS) Action 3.3.2.Q was entered which requires the plant to be in MODE 3 in 6 hours and MODE 4 in 12 hours. Load reduction began at 0530. MODE 2 was entered at 0750. MODE 3 was entered at 0817.</br>All systems functioned properly.</br>The NRC Resident Inspector has been notified.</br>The licensee is replacing the entire power supply and will investigate the cause.wer supply and will investigate the cause. +
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Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
02:12:38, 2 March 2018 +
10:07:00, 19 February 2009 +
true +
false +
-0.0575 d (-1.38 hours, -0.00821 weeks, -0.00189 months) +
11:30:00, 19 February 2009 +
URL"URL" is a <a href="/Special:Types/URL" title="Special:Types/URL">type</a> and predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> to represent URI/URL values.